Home / 150,837.84-208,144.08-87,179.76

Finding the Fourth Proportional to 150,837.84, 208,144.08 and 87,179.76

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Solution

The fourth proportional to 150,837.84, 208,144.08 and 87,179.76 is: 120,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,837.84 : 208,144.08 = 87,179.76 : x
  2. Step 2: Convert to fraction form
    150,837.84/208,144.08 = 87,179.76/x
  3. Step 3: Cross multiply
    150,837.84x = 208,144.08 × 87,179.76
  4. Step 4: Simplify right side
    150,837.84x = 18,145,950,939.82
  5. Step 5: Solve for x
    x = 18,145,950,939.82/150,837.84
  6. Step 6: Final answer
    x = 120,301.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.